20-30nm gold - China Manufacturers, Factory, Suppliers

Full Range of nano materials with ISO9001:2015 Standard, Business involved all kinds of aspects: manufacturing, research, development, processing, supplying and after-sales service. 20-30nm gold, 40nm Copper Nanoparticles , Tin Powder , Ito Nano Powders , Customized & ISO certified & Factory prices & Worldwide shipping.